import 'package:flutter/material.dart';
import 'package:picker_select/city_picker/city_picker.dart';
import 'package:picker_select/city_picker/model/result.dart';
import 'package:picker_select/city_picker/show_types.dart';
import 'package:picker_select/data_picker/date_picker.dart';
import 'package:picker_select/data_picker/widget/date_picker.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
        // This makes the visual density adapt to the platform that you run
        // the app on. For desktop platforms, the controls will be smaller and
        // closer together (more dense) than on mobile platforms.
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'Flutter package'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Column(
        children: [
          FlatButton(
              onPressed: () async {
                Result tempResult = await CityPickers.showCityPicker(
                    context: context,
                    showType: ShowType.pca,
                    isSort: false,

                    ///背景透明度
                    barrierOpacity: 0.3,

                    /// 背景点击关闭
                    barrierDismissible: false,

                    ///是否采用自定义数据
                    citiesData: null,

                    ///是否采用自定义数据
                    provincesData: null,

                    ///选中区域高度
                    itemExtent: 40,
                    cancelWidget: Text('cancle'),
                    confirmWidget: Text('confirm'),
                    itemBuilder: null);
                if (tempResult == null) {
                  return;
                }
              },
              child: Text("城市选择")),
          FlatButton(
              onPressed: () async {
                cpsShowBottomDatePicker(
                  context: context,
                  maximumDate: DateTime.now().add(Duration(days: 300)),
                  minimumDate: DateTime.now().subtract(Duration(days: 300)),
                  unitList: [DggDateUnit.year, DggDateUnit.month, DggDateUnit.day],
                ).then((value) {
                  if (value != null) {
                    value.year;
                    value.month;
                    value.day;
                  }
                });
              },
              child: Text("时间选择"))
        ],
      ),
    );
  }
}
